Oil-dispensing apparatus



R. GROWDER. OIL DISPENSING APPARATUS.. APPLICATION VFILED APR. I9, 1920.

1921. 4 SHEETS-SHEET l.

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Patented Sept. 13

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R. CROWDER.

, OIL DI'SFENSING APPARATUS. APPLICATION FILED APR.19, |920. 1,390,508. PatentedSept. 13, 1921.

4 SHEETS-SHEET 2.

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fluo/umn,

R. CROWDER.

OIL DISPENSING APPARATUS.

APPLlcAloN FILED APR. 19. 1920.

PatentedSept 13, 1921.

4 SHEETS-SHEET 3.

auque R. CROWDER.

OIL DISPENSING. APPARATUS. APPLICATION FILED APR. 1.9. I-92o.

Q1,1390,508. Pawnwdsept. I3, 1921.

4 SHEETS-SHEET 4.

RAYMOND CROW'DER, 0F `RALEIGI'H, NORTH CAROLINA.

' OIL-DISPENSING- APPARATUS.

To all .whom t may concern:

Be it known that I, RAYMoND Cnownnn, a citizen of the United States, residin at Raleigh, in the county of Wake and tate of North Carolina, have invented certain new and useful Improvements in Oil-Dispensing Apparatus; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention-relates to a dispensing apparatus especially adapted for accurately de-` livering o1l to automobilists and other users, and has for its object to provide an apparatus of this character which 'will be comparatively inexpensive to manufacture and more eil'icient in action than those heretofore pro-v posed.

With these and other'objects in view, the invention consists in the novel details of construction and combinations of parts more fully hereinafter disclosed and particularly pointedout in the claims.

Referring to the accompanying drawings forming a part of this specification in which like numerals designate like parts in all the views;

- Fig. 4; and

Figure 1 is a side elevational view partly in section, of an oil dispensing apparatus made-in accordance with'this invention;

Fig.1A is a fragmentary vertical sectional View partly in` elevation of the three way valve shown in Fig. 1;

Fig. 2 is a front elevational view of the parts shown in Fig. 1; l

Fig. 3 is a rear elevational view partially in section of the parts shown in Fig. 1;

Fig. 4 is an enlarged detail diagrammatic view illustrating the connection between the piston controlled rack and the meter mechamsm;

Fig. 5 is a plan lview ofthe parts shown in Fig. 6 is a sectional view of the nozzle -employed in this apparatus.

1 indicates the rear wheels, 2 the front Wheels, 3 the axles of said wheels, 4the rear bottom clamping'member provided with a seat 5 for the oil tank 6, and with the flanges 7 registering with the flanges 8 of the rear' top clamping member 9. 1() represents the front bottom clamping member resting on Specification of Letters Patent. Patented Sept. 13,`92L Application filed April 1.9, 1920. Serial No. 374,979.

the front support 75 and provided'with the flanges 11 registering with' the flanges 12 of the front top clamping member 13. The axles 3 thus find their supports in the bottom clamp 4 and sfwi'veling member 75, while the oil tank 6 is firmly held between said bottom clamps 4 and 10 and said topclamps 9 and 13 by means of the bolts 14 as will be clear from the drawings. 15 and 16 represent a pair of compressed air tanks carried by said bottom clamps, 17 is a pressure equalizing pipe between the'tanks l5 and 16, 18 represents an lair pipe leading from the tank 16 to the tank 6 to supply a pressure in the latter, and 19 represents a pressure gage to indicate at all times the amo-unt of compressed air in4 the tank -l5 and 16.

In the pipe 18 there is provided the pressure reducing valve 20, the reduced air pressure gage 21and the pop safety valve 2 2, as shown.`

Inside the oil tank 6 there is provided the exit pipe v25, having the inlet ports 26, controlled by the float valve 27 controlled by the stop 28 adjustable on the pipe 25'. Said pipe 25 is provided with the three way cock 30 controlling the feed pipe 31 leading to the cylinder 32 and the hose delivery 33 leading to the hose 34.

The cylinder 32 is provided with the piston 35 governed by the spring 36, and provided with the piston rod 37 having the rack 38 meshing with the sector 39 pivoted at 40 to the support 41. Saidl sector 39 is providedwith the extension 42 having the slot 43 in which is adjustably mounted the slide 44 connected to the link 45 joined to the slide 46 mounted in the slot 47 of the member 48 secured to the stud 49 rigid with the gear 50, all as'will be clear from'Figs. 1 and 4. The said gear 50 meshes with the pinion 51 of t'he meter 52, and the said stud 49 carries the pointer 53 playing over the graduated` Vspring controlled valve 59. Said valve 59 the tank 6, and 71 pet cocks for the air tanks 15 and 16.

rEhe-operation of this apparatus will be understood from the foregoing disclosure, but may be briefly summarized as follows:

rlihe tank 6 and its associated parts are conveniently brought to the place where the oil is to be dispensed, on the wheels 1 and 2, and should said place be on an incline, or should it be desired to prevent the apparatus from being moved on said wheels, the handle 65 is thrown upwardly, whereupon the supports 68 'are' brought downwardly until they strike the ground, whereupon a further upward movement of the handle 65 will lift the front end of the apparatus, thus taking the wheels 2 ofi' of the vground and supporting said front end by the members 68.

Y lit will be observed thjat although the above disclosure relates to a portable apparatus, yet substantially the same construction may be employed in connection with stationary cylindrical tanks, with stationary rectangular. tanks, and with underground tanks. lit will further be observed that the apparatus consists of three distinct units.

' (1), the measuring mechanism; (2) the oil tank; and (3), the air tanks. In the illustration shown, these three units are mounted together rigidly by the special castings or forgings illustrated, and in such a construction it is convenient for the tank .6 to hold say about twenty gallons.

rlhe air tank or tanks are-also of a suicient capacity to completely empty the oil l50 tank.' 0f course, with stationary models of this device larger capacities would be employed.

The air taknks being thus charged with air, the latter under pressure passes the reducing valve 20 and through the pipe 18 into the tank 6, whereupon said pressure, amounting to say about` 12 pounds to the square inchwill torce the oil 76 in said tank 6 through the openings 26, into the chamber 77, up the pipe 25,.to and through the three way valve 30, through the pipe 31, and into the cylinder 32, thus moving the piston 35 against the compression of the spring 36 until 'the extreme end 78 of the -the dial 54 that one quart' of oil has been rack 38 contacts with "the adjustable stop 65 55. Said stop is so adjusted that when the end 78 contacts therewith, the cylinder will hold just one quart of oil. The movement of the rack 38 turns the sector 39, which moves the link 45 which in turn moves the slotted member 48. and the gear wheel 50, thus registering on the meter 52 the amount of oil which has entered the cylinder. In the meantime, the shaft 49 has been turned and with it, the pointer 53, and thus is the amount of oil entering the cylinder indicated on the dial 54. A

'lihe nozzle 56 of the hose 34, having been introduced into the container brought by the purchaser of the oil, and the handle 62 of valve 30 havingbeen released, the spring 80 controlling the three way valve 30 turns said valve in such a position that the pipes 31 and 33, as well as the hose 34 are brought into communication. rlhe hose is supposed to be filled with oil from a previous operation, up to the valve 57 in the nozzle 56, but if it has not been so filled, then it is illed'by repeated operations of the said valve 30. rlihe hose and its connections being thus filled with oil and the piston 35 being thus thrown back until the surface 7 8 contacts with the stop 55,-A the lever controlling the valve 59 is now operated by hand, which permits the pressure of the spring 36 to be brought on the oil held back by the valve 57, and thus is the valve 57 opened and isvoil delivered to the4 customer until said pressure of the spring 36 ceases. This pressure will ceaseA when the piston 35 empties the cylinder 32, and thus will the customer e assured of having received exactly one quart of oil. In the meantime, of course the pointer 53 will indicate on delivered and the meter 52 will count up or register said quart. lf for any reason thel customer desires a quantity lessthan va quart, such for example, as three-fourths of a quart, a pint, or a half-pint, then the operator may by watching the said pointer 53 and by properly manipulating the lever 60 cause the valve 59 to close at the proper moment to deliver to the customer the exact quantity desired. As soon as the valve 59 is thus closed, or the pressure is released in the nozzle 56 by reason of the piston 35 having reached the end of its stroke, the valve 57 will automatically close, and Ythus prevent any lossthrough dripping.

In the meantime, the hose 34, pipe 31, and their connections remain full of oil ready for the next operation.

The nozzle 56 is now placed on the lever or handle 62 of the valve 30, very much after the fashion'of ,placing a telephone receiver on its hook, whereupon said valve 30 is-,So turned as to cut od the hose 34 and lll() to restablish connection between the tank 6 and the cylinder 32. As soon as said connection is thus brought about, the said cylinder immediately again fills with oil and the spring 36 will remain under compression ready to deliver a measured quantity to the next customer in the manner above set forth.

It will now be clear that this said measuring mechanism comprises a 'measuring cylinder' provided with a piston, an adjustle stop 55 for regulating the amount of oil delivered at each operation and for making said amount agree with the indications on the dial 54 and with the amount registered on the meter 52. It will also be clear that said dial 54 thus accurately indicates at all times the amount of oil lthat is in the cylinder.

I prefer to maintain in the tanks 15 and 16 a pressure of about 150 pounds, although the apparatus will operate satisfactorily on a pressure less than this.

I further prefer in the apparatus illustrated to maintain a, pressure on the oil of l'about 12 pounds, and this is readily accomlisfhed by adjusting vthe reducing valve'20.

'It will further be clear that should it be required to deliver more than one quart to a single customer, this can be accomplished by letting the nozzle 56 remain in its delivering position, and by pulling -down' the lever 62 of the valve 30 by hand after each stroke of the iston, so that the cylinder 32 will be refilled) and the piston will redeliver and duplicate the amounts. In other words, by properly manipulating the valves 59 and 3Q, any amount of oil from 0 to one or more quarts can be accurately delivered and the amounts indicated on the dial 54 and added up on the meter 52.

It is an especially important feature of this invention that the nozzle 54 is always maintained full of oil, because owin to this feature, one customer is not require to wait until the nozzle drains before receiving his desired quantity of oil. In the winter time when oil drains very slowly, it is a tedious operation to wait for the draining ofV the nozzle before serving successive customers.

In addition to saving oil by means of the valve 57, said valve prevents oil from ,dripping onto the fenders or other parts of an automobile, and thus prevents gumming up ormarring the finish of expensive machines.

The oil tank 6 is conveniently' lilled through any suitable opening such as that indicated at 85, and the air tanks are conveniently filled through any opening such as 86. The employment of a ioat valve 27. in the tank 6 causes the exits 26 to be automatically closed when the tank is empty, and thus prevents air from getting into the measuring system. The adjustable stop 28 prevents said valve 27 from ever getting too far from said exits to be effective.

It is desired that it be distinctly understood that the foregoing disclosure is merely illustrative of this invention, and that both the arrangement of parts, as well as the details` of construction can be widely varied without departing from the spirit thereof. Therefore, I do not wish to be limited to said disclosure except as may be required by the claims.

What I claim is 1. In an oil disp'ensingy apparatus, the

combination of a, tank adapted to contain oil; means for creating a pressure in said tank; an exit pipe leading from said tank;

a measuring cyllnder connected to said exit pipe; a delivering means joined to said exit pipe; and means comprising a valve closing the extreme end of said -delivering means, by which the same quantity of oil that reaches said cylinder is forced to exit without drip, from said delivering means, while the latter is maintained full of oil, substantially as described.

2,. In an oil dispensing apparatus, the combination of a tank for containin oil; means to force said oil from said ta r; means to convey said oil after leaving said tank' to a measuring cylinder; a valve controlling said last named means; a delivering means communicating with said cylinder and controlled by said valve; means comprising apair of valves located in its end adapted to normally maintain said delivering means full of oil; and means for forcing out of said cylinder andv delivering means' aty each operation of said first named valve, the same quantit of oil that passes into said cylinder, su stantially as described.

3. In an oil dispensing apparatus, the combination of a tank for holding oil; a measuring apparatus; a delivering apparatus; a connection between said tank and measuring apparatus and between the latter and said delivering apparatus; a valve in said connection; means comprising a valve located at the extreme end of said delivering means by which each of said apparatus is normally kept filled with oil; and pressure means by which on the operation of said first named valve a predetermined quantity of oil will be forced out ofv said deliveringx apparatus whilethe latter still remains full of oil to 4. In an oil dispensing apparatus, the com! bination of a tank for holding oil; a measur- I l ing apparatus comprising av cylinder andl piston; :a delivering apparatus comprising a hoze and nozzle; a connection between said tank and measuring a paratus and between the latter and Said elivering apparatus;

a three way valve in said connection; means 'means for force said oil out of said cylinder;

means to convey away the ejected oil; and

means to maintain at all times said last named means full of oil to its extreme end, substantially as described.

6; In an oil dispensing apparatus, the combination of an oil supply; a measuring cylinder; means to transfer oil from said supply to said cylinder; means comprising a dial and indicator to indicate at all times the quantity of`oil in said cylinder; a meter to register the quantity of oil leaving said cylinder associated with said dial and indicator; means to force said oil out of said cylinder; and means to deliver the ejected oil without drip while maintaining itself at all times full of oil, substantially as described.

7. In an oil dispensing 'apparatus the combination of an oil supply comprising a tank; a measuring cylinderprovided with' a,

piston; means-comprising a source of air pressure to transfer oil from said supply to said cylinder; means comprising an'indicating mechanism and connections with said piston to indicate at all times the quantity of oil in said cylinder; means to force said oil out of said cylinder; means to convey away the ejected oil; .and means comprising a valve located at the extreme delivery end of said last named means to maintain at all times said last named means full of oil, sub- 9. In an oil dispensing apparatus the combination of an oil supply; means comprising a nozzle connected with said supply for, delivering measured quantities of oil; means comprising a cylinder, a piston and an indicating mechanism actuated by said piston connected with said last named delivery means for indicating at all times the ramene amounts of oil delivered; means comprising a valve inthe delivery means to maintain said last named means always full of oil; and a valve to prevent drip in the eXtreme end of said nozzle, substantially as described.

11. InA an oil dispensing apparatus, the A combination of a measuring apparatus; a delivery pipe provided with a nozzle adapted to deliver measured quantities of oil from said measuring apparatus; a valve vin the extreme end of said nozzle to prevent drip and for maintaining saidpipe always full of oil; and another valve associated with said nozzle for governingthe passage of the measured quantities of oil delivered, substantially as described.

12. In an oil dispensing apparatus, the combination of a measuring apparatus; a delivery pipe provided with a nozzle adapted to deliver measured quantities of oil from said measuring apparatus; a three way 'valve between said measuring apparatus and said pipe adapted to permit said measuring apparatus to be filled; a valve in the eX- treme end of said nozzle for maintaining said pipe always full of oil; and another valve associated with said Inozzle for controlling the flow of the measured quantities of oil delivered, substantially as del scribed.

13. In an apparatus for dispensing oil, the combination of a measuring apparatus; an indicator adapted to indicate at all times the amount of oil in said measuring apparatus; a pipe for delivering oil from said measuring apparatus; a nozzle provided' with a perforated partition connected to said pipe; a valve in said partition; and avalve in the extreme end of said nozzle to prevent a drip, substantially as described.

14. In an apparatus for dispensing oil, the combination of a measuring apparatus; a pipe for delivering oil from said measuring apparatus; a tank for Supplying oil to said measuring apparatus; a pressure tank for forcing oil out of said first named tank; a valve having an operating lever governing the admission of oil to said measuring apparatus and to said pipe; a nozzle provided with a perforated partition connected to said pipe; a valve -in said partition; a valve in the extreme4 end of said nozzle to prevent drip; and means for hangingsaid nozzle on said lever, substantially as described.

15. In an apparatus for vdispensing oil, the combination of a tank for supplying the oil to be dispensed; a measuring apparatus connected to said tank; a deliverlng pipe and nozzle for conveying the measured oil from the measuring apparatus; and means 10 located in the extreme end of said pipe to prevent drip and for maintaining said'pipe y RAYMOND CROWDER. 

